Determine the number of moles of solute needed to prepare these solutions:
(a) 2.0 L of 0.15 M NaCl
(b) 275 mL of 2.5 .MIINO,
(c) 41.6 mL of 2.75 M KCH
(d) 450 L of1.1 V (NIT).SO.

What is avogadro’s number, and why is it useful

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.